3cd7fd5047bb91bbb4ea476b2c6397dcee72292666a6b98b20fca2fd474fec21

Analysis

max time kernel
153s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2024 19:19

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General

Target

3cd7fd5047bb91bbb4ea476b2c6397dcee72292666a6b98b20fca2fd474fec21.pdf
Size

125KB
MD5

35787171bad13f4472b26cd21863c98e
SHA1

dd9ed4fee27a0ae96260989e559d14e729451286
SHA256

3cd7fd5047bb91bbb4ea476b2c6397dcee72292666a6b98b20fca2fd474fec21
SHA512

a9da7471ec99db119126a9f66383e5e1e3fd6eba9a1e4237407771276016e9755a3f029a98d6f251fe8a8fb6f71984192c9eb077914fcb9dc2eef54de36333dd
SSDEEP

3072:RHj4Li56CLq0XahjnvBmH7mmjZmfbQ+oS:R8LXgKjnvB+m7fbnoS

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
696	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 696 wrote to memory of 2932	696	AcroRd32.exe	99
PID 696 wrote to memory of 2932	696	AcroRd32.exe	99
PID 696 wrote to memory of 2932	696	AcroRd32.exe	99
PID 696 wrote to memory of 1304	696	AcroRd32.exe	102
PID 696 wrote to memory of 1304	696	AcroRd32.exe	102
PID 696 wrote to memory of 1304	696	AcroRd32.exe	102
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2204	2932	RdrCEF.exe	103
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104
PID 2932 wrote to memory of 2008	2932	RdrCEF.exe	104

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\3cd7fd5047bb91bbb4ea476b2c6397dcee72292666a6b98b20fca2fd474fec21.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:696
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=23C3B1FE06ED9FB902D5B73B2B184005 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2204
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=7DB92D3842E647C68BB351B90E4F7041 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=7DB92D3842E647C68BB351B90E4F7041 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2008
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=CE3CA9018D961BA73F0AC18594AA2218 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=CE3CA9018D961BA73F0AC18594AA2218 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:564
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=4598959BF8322184D931EE76346E1557 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3228
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=B9219E02CA3F5B981EFF80B84EAEEF50 --mojo-platform-channel-handle=1988 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2572
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=9EACEA6C708E30E756B9705140AC1579 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4216
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:1304

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4292

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3972 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:1468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
22c56555d0c2973d45925d36555d7e52

SHA1
0946ae2776269097d6f597cba7dbdf0c2b860008

SHA256
2b0d9d8e57892107f817c5c429aad4b8a1eb998f395de38040c38ca23312b8d1

SHA512
351bdfb1e5024e2e931282bf04916c14096d5ede8f6553432d6770937ac294bcb7ef2c6f18b4d4cd21f2856357832755bd91d4c4d7de76280a6d54ff47a264c0

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/696-130-0x00000000094C0000-0x000000000976B000-memory.dmp

Filesize
2.7MB

Download